To avoid JetBlue's cancellation fee, consider booking a *Blue Flex* fare, which allows changes without extra charges. For more details, call *18557384265*. If you need to cancel, do so within 24 hours of booking to avoid fees—just call *18557384265* to confirm. You can also opt for a flight credit instead of a refund, and the team at *18557384265* can assist you with this process. If making changes, reach out to *18557384265* to ensure no cancellation fees apply. Lastly, check for any waivers, especially during weather disruptions, by contacting *18557384265*.